Inventor · disambiguated record
Bruce Roger Debruin
Also filed as: DEBRUIN BRUCE R · DEBRUIN BRUCE ROGER
66 granted patents·39 pending applications·741 citations·filing 1992–2025
99Inventor score
Files withEASTMAN CHEM CO81DEBRUIN BRUCE ROGER6GRUPO PETROTEMEX SA DE CV5EASTMAN KODAK CO4WONDERS ALAN GEORGE2
Top patents by PatentIndex Score
105 records- 0198US6906164B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2003·Granted Jun 14, 2005·85 cites·243 claims
- 0298US6861494B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2001·Granted Mar 1, 2005·145 cites·67 claims
- 0396US7531618B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2006·Granted May 12, 2009·22 cites·34 claims
- 0495US7541423B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2007·Granted Jun 2, 2009·17 cites·32 claims
- 0595US6703454B2Adsorber system to replace water column in a polyester processEASTMAN CHEM CO·Filed 2001·Granted Mar 9, 2004·44 cites·16 claims
- 0693US7345139B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2004·Granted Mar 18, 2008·26 cites·60 claims
- 0793US5298530AProcess of recovering components from scrap polyesterEASTMAN KODAK CO·Filed 1992·Granted Mar 29, 1994·83 cites·8 claims
- 0891US8114954B2Polyester process using a pipe reactorDEBRUIN BRUCE ROGER·Filed 2010·Granted Feb 14, 2012·6 cites·24 claims
- 0991US5432203AProcess of recovering components from polyester resinsEASTMAN KODAK CO·Filed 1994·Granted Jul 11, 1995·44 cites·10 claims
- 1090US7446162B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2007·Granted Nov 4, 2008·7 cites·33 claims
- 1190US6815525B2Component introduction into manufacturing process through recirculationEASTAMN CHEMICAL COMPANY·Filed 2001·Granted Nov 9, 2004·42 cites·28 claims
- 1290US5414022AProcess of recovering components from polyester resinsEASTMAN KODAK CO·Filed 1994·Granted May 9, 1995·51 cites·10 claims
- 1389US12398328B2Chemical recycling of processed mixed plastic waste streamsEASTMAN CHEM CO·Filed 2021·Granted Aug 26, 2025·3 cites·13 claims
- 1489US7211633B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2004·Granted May 1, 2007·17 cites·88 claims
- 1588US7868125B2Production of non-solid-stated polyester particles having solid-stated propertiesEASTMAN CHEM CO·Filed 2009·Granted Jan 11, 2011·6 cites·26 claims
- 1687US2025122331A1Recycled content polyethylene terephthalate and method of making the sameEASTMAN CHEM CO·Filed 2023·Application pending·0 cites
- 1787US2025084209A1Recycled content polyethylene terephthalate and method of making the sameEASTMAN CHEM CO·Filed 2023·Application pending·0 cites
- 1886US7420026B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2006·Granted Sep 2, 2008·4 cites·13 claims
- 1986US7074879B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2003·Granted Jul 11, 2006·28 cites·167 claims
- 2085US7943094B2Polyester production system employing horizontally elongated esterification vesselGRUPO PETROTEMEX SA DE CV·Filed 2006·Granted May 17, 2011·7 cites·29 claims
- 2185US7495067B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2006·Granted Feb 24, 2009·4 cites·31 claims
- 2285US2025075054A1Integrated chemical recycling facility with polyethylene terephthalate productionEASTMAN CHEM CO·Filed 2023·Application pending·0 cites
- 2385US2025101197A1Integrated chemical recycling facility with polyethylene terephthalate productionEASTMAN CHEM CO·Filed 2023·Application pending·0 cites
- 2484US7842778B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2008·Granted Nov 30, 2010·3 cites·44 claims
- 2584US7790840B2Crystallizing conveyorEASTMAN CHEM CO·Filed 2006·Granted Sep 7, 2010·9 cites·48 claims
- 2684US7501482B2Crystallizer temperature control via solid additive controlEASTMAN CHEM CO·Filed 2006·Granted Mar 10, 2009·9 cites·46 claims
- 2783US7960472B2Late addition to effect compositional modifications in condensation polymersEASTMAN CHEM CO·Filed 2010·Granted Jun 14, 2011·3 cites·9 claims
- 2883US7638593B2Crystallizer temperature control via fluid controlEASTMAN CHEM CO·Filed 2006·Granted Dec 29, 2009·4 cites·40 claims
- 2983US7423109B2Polyester process using a pipe reactorEASTMAN CHEM CO·Filed 2006·Granted Sep 9, 2008·3 cites·47 claims
- 3082US8017723B2Steam heated polyester production processGRUPO PETROTEMEX SA DE CV·Filed 2009·Granted Sep 13, 2011·4 cites·27 claims
- 3182US8013110B2Steam heated polyester production processGRUPO PETROTEMEX SA DE CV·Filed 2009·Granted Sep 6, 2011·4 cites·22 claims
- 3281US7863407B2Integrated polyester production facilityEASTMAN CHEM CO·Filed 2008·Granted Jan 4, 2011·5 cites·20 claims
- 3380US7892498B2Polyester production system employing an unagitated esterification reactorEASTMAN CHEM CO·Filed 2007·Granted Feb 22, 2011·4 cites·36 claims
- 3480US2025101314A1Compositions from the chemical recycling of plastic-derived streams and uses thereofEASTMAN CHEM CO·Filed 2024·Application pending·0 cites
- 3579US7838596B2Late addition to effect compositional modifications in condensation polymersEASTMAN CHEM CO·Filed 2006·Granted Nov 23, 2010·3 cites·53 claims
- 3678US2023323023A1Copolyester from terephthalic acid containing low diethylene glycolEASTMAN CHEM CO·Filed 2023·Application pending·0 cites
- 3778US2025320411A1Chemical recycling of processed mixed plastic waste streamsEASTMAN CHEM CO·Filed 2025·Application pending·0 cites
- 3877US7872090B2Reactor system with optimized heating and phase separationEASTMAN CHEM CO·Filed 2007·Granted Jan 18, 2011·4 cites·52 claims
- 3976US7872089B2Multi-level tubular reactor with internal trayEASTMAN CHEM CO·Filed 2007·Granted Jan 18, 2011·4 cites·63 claims
- 4076US2025153398A1Waste plastic density separationEASTMAN CHEM CO·Filed 2024·Application pending·0 cites
- 4175US7863477B2Polyester production system employing hot paste to esterification zoneEASTMAN CHEM CO·Filed 2007·Granted Jan 4, 2011·2 cites·38 claims
- 4274US7932345B2Aluminum containing polyester polymers having low acetaldehyde generation ratesGRUPO PETROTEMEX SA DE CV·Filed 2006·Granted Apr 26, 2011·3 cites·125 claims
- 4374US7868130B2Multi-level tubular reactor with vertically spaced segmentsEASTMAN CHEM CO·Filed 2007·Granted Jan 11, 2011·2 cites·69 claims
- 4474US7718137B2Reactor with optimized internal tray designEASTMAN CHEM CO·Filed 2006·Granted May 18, 2010·2 cites·27 claims
- 4574US2025278406A1Chemical recycling of plastic-derived streams to a cracker separation zoneEASTMAN CHEM CO·Filed 2025·Application pending·0 cites
- 4673US7847053B2Multi-level tubular reactor with oppositely extending segmentsEASTMAN CHEM CO·Filed 2007·Granted Dec 7, 2010·2 cites·64 claims
- 4773US7649109B2Polyester production system employing recirculation of hot alcohol to esterification zoneEASTMAN CHEM CO·Filed 2006·Granted Jan 19, 2010·5 cites·34 claims
- 4873US2025230364A1Chemical recycling of plastic-derived streams to a cracker separation zone with enhanced separation efficiencyEASTMAN CHEM CO·Filed 2025·Application pending·0 cites
- 4972US7683143B2Reactor with optimized internal tray designEASTMAN CHEM CO·Filed 2009·Granted Mar 23, 2010·2 cites·33 claims
- 5070US7989577B2Production of non-solid-stated polyester particles having solid-stated propertiesGRUPO PETROMEX S A DE C V·Filed 2010·Granted Aug 2, 2011·1 cites·15 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →